Control unit for irrigation systems



FIG. 1 is a perspective view of my new control unit;

FIG. 2 is a perspective view of my new control unit with a key protecting cover in open position;

FIG. 3 is a top view of my control unit;

FIG. 4 is a lateral view of the control unit of FIG. 1;

FIG. 5 is a front view of the control unit of FIG. 1;

FIG. 6 is a rear view of the control unit of FIG. 1; and,

FIG. 7 is a bottom view of the control unit of FIG. 1. 

The ornamental design for "control unit for irrigation systems," as shown and described. 